Home / 3,002.81-4,143.74-1,676.25

Finding the Fourth Proportional to 3,002.81, 4,143.74 and 1,676.25

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Solution

The fourth proportional to 3,002.81, 4,143.74 and 1,676.25 is: 2,313.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,002.81 : 4,143.74 = 1,676.25 : x
  2. Step 2: Convert to fraction form
    3,002.81/4,143.74 = 1,676.25/x
  3. Step 3: Cross multiply
    3,002.81x = 4,143.74 × 1,676.25
  4. Step 4: Simplify right side
    3,002.81x = 6,945,935.79
  5. Step 5: Solve for x
    x = 6,945,935.79/3,002.81
  6. Step 6: Final answer
    x = 2,313.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.